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author | Dan McGee <dan@archlinux.org> | 2011-01-22 17:03:51 +0100 |
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committer | Dan McGee <dan@archlinux.org> | 2011-01-22 17:03:51 +0100 |
commit | 51175f31c4aac9df6ceeffc7855a0f842c580fdb (patch) | |
tree | 4fe5405a24aa967572f407dafbbee9231a25b0dc /doc/vercmp.8.txt | |
parent | e277e838d798c1463ae5df98dcf637df70e048ec (diff) | |
parent | 859bdb5b1d1b9ccb781c95026836283a005a96ce (diff) | |
download | pacman-51175f31c4aac9df6ceeffc7855a0f842c580fdb.tar.gz pacman-51175f31c4aac9df6ceeffc7855a0f842c580fdb.tar.xz |
Merge branch 'epoch-work'
Diffstat (limited to 'doc/vercmp.8.txt')
-rw-r--r-- | doc/vercmp.8.txt | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/doc/vercmp.8.txt b/doc/vercmp.8.txt new file mode 100644 index 00000000..f2fc5305 --- /dev/null +++ b/doc/vercmp.8.txt @@ -0,0 +1,71 @@ +///// +vim:set ts=4 sw=4 syntax=asciidoc noet: +///// +vercmp(8) +========= + +Name +---- +vercmp - version comparsion utility + + +Synopsis +-------- +'vercmp' <version1> <version2> + + +Description +----------- +'vercmp' is used to determine the relationship between two given version +numbers. It outputs values as follows: + +* < 0 : if ver1 < ver2 +* = 0 : if ver1 == ver2 +* > 0 : if ver1 > ver2 + +Version comparsion operates as follows: + + Alphanumeric: + 1.0a < 1.0alpha < 1.0b < 1.0beta < 1.0p < 1.0pre < 1.0rc < 1.0 + Numeric: + 1 < 1.0 < 1.1 < 1.1.1 < 1.2 < 2.0 < 3.0.0 + +Additionally, version strings can have an 'epoch' value defined that will +overrule any version comparison (unless the epoch values are equal). This is +specified in an `epoch:version-rel` format. For example, `2:1.0-1` is always +greater than `1:3.6-1`. + + +Options +------- +*-h, \--help*:: + Display syntax for the given operation. If no operation was supplied + then the general syntax is shown. + +Examples +-------- + + $ vercmp 1 2 + -1 + + $ vercmp 2 1 + 1 + + $ vercmp 2.0-1 1.7-6 + 1 + + $ vercmp 2.0 2.0-13 + 0 + + $ vercmp 4.34 1:001 + -1 + +Configuration +------------- +There is none. + +See Also +-------- +linkman:pacman[8], linkman:makepkg[8], linkman:libalpm[3] + +include::footer.txt[] |